NASDAQ:CSPI | Historical Stock Price | CSP INC /MA/

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
1982-01-29 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$1.18$2.32$4.56$8.97$17.61$34.601982-01-292026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2008

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2008-12-31$1.46$1.4526,000
2008-12-30$1.31$1.31353,000
2008-12-29$1.42$1.4215,000
2008-12-26$1.49$1.495,400
2008-12-24$1.49$1.499,000
2008-12-23$1.40$1.407,400
2008-12-22$1.44$1.4429,800
2008-12-19$1.45$1.456,200
2008-12-18$1.50$1.4913,400
2008-12-17$1.50$1.5045,200
2008-12-16$1.40$1.408,000
2008-12-15$1.30$1.30600
2008-12-12$1.35$1.356,200
2008-12-11$1.36$1.362,800
2008-12-10$1.37$1.3736,800
2008-12-09$1.44$1.4419,200
2008-12-08$1.43$1.4320,200
2008-12-05$1.34$1.330
2008-12-04$1.34$1.3310,200
2008-12-03$1.37$1.370
2008-12-02$1.37$1.3726,200
2008-12-01$1.37$1.375,600
2008-11-28$1.43$1.4223,600
2008-11-26$1.43$1.4251,000
2008-11-25$1.40$1.401,800
2008-11-24$1.33$1.3216,600
2008-11-21$1.30$1.3082,800
2008-11-20$1.40$1.407,200
2008-11-19$1.54$1.5410,800
2008-11-18$1.57$1.566,400
2008-11-17$1.63$1.639,800
2008-11-14$1.68$1.672,200
2008-11-13$1.53$1.534,400
2008-11-12$1.68$1.6721,200
2008-11-11$1.80$1.8012,400
2008-11-10$1.85$1.847,000
2008-11-07$1.85$1.845,800
2008-11-06$1.85$1.850
2008-11-05$1.85$1.853,400
2008-11-04$1.85$1.85600
2008-11-03$1.92$1.9229,200
2008-10-31$1.84$1.830
2008-10-30$1.84$1.8318,600
2008-10-29$1.71$1.7116,400
2008-10-28$1.90$1.9036,600
2008-10-27$1.97$1.979,800
2008-10-24$1.96$1.966,800
2008-10-23$1.99$1.9911,600
2008-10-22$1.90$1.907,000
2008-10-21$1.96$1.9612,800
2008-10-20$1.95$1.9514,400
2008-10-17$2.09$2.096,400
2008-10-16$2.09$2.0924,200
2008-10-15$2.04$2.0414,200
2008-10-14$2.00$2.0032,200
2008-10-13$1.90$1.906,800
2008-10-10$1.76$1.7623,000
2008-10-09$2.01$2.0115,800
2008-10-08$2.14$2.1425,400
2008-10-07$2.17$2.176,800
2008-10-06$2.33$2.3326,600
2008-10-03$2.63$2.621,400
2008-10-02$2.50$2.508,600
2008-10-01$2.38$2.387,200
2008-09-30$2.64$2.6421,400
2008-09-29$2.65$2.6522,200
2008-09-26$2.66$2.662,000
2008-09-25$2.75$2.7512,800
2008-09-24$2.67$2.6622,800
2008-09-23$2.76$2.7523,800
2008-09-22$2.78$2.7815,400
2008-09-19$2.80$2.7913,400
2008-09-18$2.84$2.8410,800
2008-09-17$2.87$2.8710,200
2008-09-16$2.95$2.9432,200
2008-09-15$2.80$2.8027,000
2008-09-12$2.78$2.7811,000
2008-09-11$2.89$2.883,200
2008-09-10$2.88$2.87600
2008-09-09$2.92$2.9227,000
2008-09-08$2.98$2.9822,800
2008-09-05$2.94$2.9449,400
2008-09-04$3.00$3.0012,600
2008-09-03$2.91$2.902,600
2008-09-02$3.05$3.058,400
2008-08-29$3.03$3.035,200
2008-08-28$3.01$3.0116,600
2008-08-27$2.93$2.9218,000
2008-08-26$2.89$2.8814,600
2008-08-25$2.86$2.850
2008-08-22$2.86$2.855,000
2008-08-21$2.83$2.826,600
2008-08-20$2.78$2.788,200
2008-08-19$2.85$2.850
2008-08-18$2.85$2.851,200
2008-08-15$2.88$2.876,800
2008-08-14$2.95$2.941,800
2008-08-13$2.97$2.9743,200
2008-08-12$2.97$2.974,000
2008-08-11$2.91$2.9113,600
2008-08-08$2.76$2.763,200
2008-08-07$2.92$2.9225,400
2008-08-06$2.90$2.9013,600
2008-08-05$2.92$2.9237,600
2008-08-04$2.78$2.78200
2008-08-01$2.87$2.870
2008-07-31$2.87$2.877,800
2008-07-30$2.87$2.8715,800
2008-07-29$2.88$2.8711,400
2008-07-28$2.82$2.824,800
2008-07-25$2.82$2.8118,200
2008-07-24$2.78$2.7818,800
2008-07-23$2.75$2.752,600
2008-07-22$2.79$2.788,200
2008-07-21$2.75$2.757,000
2008-07-18$2.82$2.815,800
2008-07-17$2.66$2.6634,600
2008-07-16$2.61$2.603,600
2008-07-15$2.71$2.719,400
2008-07-14$2.73$2.7313,200
2008-07-11$2.70$2.70400
2008-07-10$2.68$2.6824,000
2008-07-09$2.76$2.769,400
2008-07-08$2.77$2.7718,800
2008-07-07$2.82$2.8111,200
2008-07-03$2.80$2.7928,400
2008-07-02$2.78$2.7817,200
2008-07-01$2.91$2.902,200
2008-06-30$2.98$2.9812,600
2008-06-27$2.97$2.974,200
2008-06-26$2.91$2.9117,600
2008-06-25$2.99$2.9814,400
2008-06-24$2.89$2.8934,600
2008-06-23$2.89$2.8927,400
2008-06-20$2.89$2.8916,800
2008-06-19$2.85$2.849,800
2008-06-18$2.86$2.8621,000
2008-06-17$2.90$2.908,800
2008-06-16$2.90$2.9021,200
2008-06-13$2.83$2.8213,400
2008-06-12$2.84$2.8410,200
2008-06-11$2.80$2.803,200
2008-06-10$2.83$2.821,000
2008-06-09$2.86$2.8614,400
2008-06-06$2.87$2.872,000
2008-06-05$2.90$2.899,600
2008-06-04$2.86$2.8636,600
2008-06-03$2.89$2.8919,000
2008-06-02$2.92$2.922,800
2008-05-30$2.94$2.9446,400
2008-05-29$2.90$2.8930,600
2008-05-28$2.92$2.9231,400
2008-05-27$3.00$2.9926,600
2008-05-23$2.93$2.930
2008-05-22$2.93$2.9332,600
2008-05-21$2.96$2.9515,000
2008-05-20$2.88$2.8723,600
2008-05-19$2.90$2.8929,800
2008-05-16$2.97$2.9628,800
2008-05-15$2.86$2.8560,800
2008-05-14$2.92$2.9211,200
2008-05-13$2.91$2.9128,200
2008-05-12$2.97$2.9713,200
2008-05-09$2.93$2.936,800
2008-05-08$2.99$2.9918,400
2008-05-07$2.92$2.9231,600
2008-05-06$2.87$2.8723,000
2008-05-05$2.86$2.8615,400
2008-05-02$2.93$2.934,000
2008-05-01$2.93$2.9213,800
2008-04-30$2.97$2.965,600
2008-04-29$3.02$3.028,200
2008-04-28$3.05$3.056,400
2008-04-25$3.00$3.009,200
2008-04-24$3.03$3.038,200
2008-04-23$3.00$3.0018,400
2008-04-22$3.15$3.158,400
2008-04-21$3.09$3.0914,400
2008-04-18$3.05$3.054,600
2008-04-17$2.99$2.989,600
2008-04-16$3.05$3.0513,800
2008-04-15$3.08$3.0725,000
2008-04-14$2.99$2.995,600
2008-04-11$3.13$3.1216,200
2008-04-10$3.03$3.035,200
2008-04-09$3.12$3.122,600
2008-04-08$3.10$3.1011,200
2008-04-07$3.12$3.1212,800
2008-04-04$2.95$2.9515,600
2008-04-03$2.98$2.983,400
2008-04-02$2.99$2.994,400
2008-04-01$2.94$2.9426,800
2008-03-31$3.02$3.0217,200
2008-03-28$2.89$2.8831,600
2008-03-27$2.96$2.968,600
2008-03-26$3.16$3.1630,000
2008-03-25$2.95$2.955,800
2008-03-24$3.00$3.0012,600
2008-03-20$2.98$2.9822,000
2008-03-19$2.87$2.8713,800
2008-03-18$2.84$2.8420,400
2008-03-17$2.92$2.9228,400
2008-03-14$2.93$2.925,000
2008-03-13$2.99$2.9913,400
2008-03-12$2.89$2.8924,800
2008-03-11$2.92$2.9222,400
2008-03-10$2.95$2.9417,200
2008-03-07$2.93$2.9220,200
2008-03-06$2.80$2.8051,800
2008-03-05$2.96$2.9640,000
2008-03-04$3.04$3.0412,000
2008-03-03$3.03$3.0318,200
2008-02-29$3.06$3.0625,800
2008-02-28$3.13$3.1220,200
2008-02-27$3.10$3.1023,000
2008-02-26$3.09$3.0935,400
2008-02-25$3.03$3.0348,400
2008-02-22$3.18$3.1851,400
2008-02-21$3.29$3.2919,000
2008-02-20$3.25$3.2429,200
2008-02-19$3.21$3.2131,600
2008-02-15$3.18$3.178,800
2008-02-14$3.17$3.1639,600
2008-02-13$3.19$3.19186,800
2008-02-12$3.63$3.6223,600
2008-02-11$3.66$3.6670,000
2008-02-08$3.65$3.6548,200
2008-02-07$3.68$3.6729,800
2008-02-06$3.73$3.7265,200
2008-02-05$3.70$3.7022,800
2008-02-04$3.78$3.7881,600
2008-02-01$3.72$3.7250,600
2008-01-31$3.69$3.6924,600
2008-01-30$3.62$3.6119,200
2008-01-29$3.62$3.6219,400
2008-01-28$3.60$3.6045,800
2008-01-25$3.66$3.6624,000
2008-01-24$3.63$3.6253,600
2008-01-23$3.56$3.5625,400
2008-01-22$3.56$3.5640,800
2008-01-18$3.67$3.6761,000
2008-01-17$3.56$3.5648,200
2008-01-16$3.59$3.5837,200
2008-01-15$3.51$3.5075,400
2008-01-14$3.57$3.5784,400
2008-01-11$3.51$3.51100,800
2008-01-10$3.50$3.5047,600
2008-01-09$3.49$3.4965,200
2008-01-08$3.46$3.4645,200
2008-01-07$3.40$3.4086,800
2008-01-04$3.25$3.2462,200
2008-01-03$3.35$3.3514,200
2008-01-02$3.35$3.3537,800